ISNode returns ISNodeId
convert.sh - added SNodeId migration
correctly changes new SNode()
formatting in .sh
formatting in changed code
SNodeId migration: casts (remove later)
migrated java files to ISNodeId
SNode and SModel classes use old node ids where possible
script to migrate to ISNodeId in MPS models
make new migration script
SNodeId:migrated models
fix refs to methods
rebuild bootstrap generators
rebuild all generators
rebuild the whole project
working on eliminating SNodePointer
working on eliminating SNodePointer: code cleanup
remove SNodePointer.getDebugText
fix constraints test